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Which of the following reaction involves...

Which of the following reaction involves the liberation of energy?

A

`Na_((s))toNa_((g))^(+)`

B

`Cl_(2(g))to2Cl_((g))`

C

`Na_((g))^(+)+Cl_((g))^(-)toNACl_((s))`

D

`NaCl_((s))toNa_((g))^(+)+Cl_((g))^(-)`

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-CHEMICAL BONDING-OBJECTIVE EXERCISE -2(IONIC BOND )
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  2. Two elements 'X' and 'Y' have the following configuration X= 1s^2 ...

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  3. Which of the following reaction involves the liberation of energy?

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  4. An element 'X' is strongly electropositive and an element 'Y' is stron...

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  5. The electronic structure of four elements a,b,c and d are (a) 1s^2...

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  6. An atom of an element 'A' has three electrons in its outermost shell a...

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  7. If Na^(+) ion is larger than Mg^(2+) ion and S^(2-) ion is larger than...

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  8. In which of the following solvents should KCI be soluble at 25^@ C ?(D...

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  9. The following has more size

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  10. A, B and C are atoms of elements with atomic number Z, Z+1 and Z+2 res...

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  11. Lattice energy of NaCl is 'X'. If the ionic size of A^(+2) is equal to...

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  12. The order of relative ease of formation of various ions is

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  13. The incorrect statement regarding the formation of ionic bond

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  14. For which of the following sets, all the compounds are ionic ?

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  15. Which element among the following canot exhibit variable electrovalenc...

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  16. Which of the following pairs will form the most stable ionic bond?

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  17. Among the following compounds, the one with greatest ionic character i...

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  18. Some statements are give below: (i) The formation of a cation from a...

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  19. Na((g)) +Cl((g)) to +Cl^(-) ""((g)) This reaction is

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  20. Given electronic configurations of four elements E1, E2, E3 and E4 ar...

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